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Quellcode-Bibliothek CSSStyleSheet.html Sprache: HTML |
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<html> <head> <meta charset="utf-8"> <title>CSSOM - CSSStyleSheet interface</title> <link rel="help" href="https://drafts.csswg.org/cssom/#the-cssstylesheet-interface"> <link rel="help" href="https://drafts.csswg.org/cssom/#legacy-css-style-sheet-membe <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <style id="my-stylesheet"> body { width: 50%; } #foo { height: 100px; } </style> <style id="empty-stylesheet"></style> <script> var styleSheet, emptyStyleSheet; setup(function() { styleSheet = document.styleSheets[0]; styleSheet.cssRules[0].randomProperty = 1; styleSheet.cssRules[1].randomProperty = 2; emptyStyleSheet = document.styleSheets[1]; }); test(function() { assert_equals(styleSheet, document.getElementById("my-stylesheet").sheet, "CSSStyl assert_equals(styleSheet.cssRules.length, 2, "CSSStyleSheet cssRules attribute"); assert_equals(styleSheet.cssRules[0].cssText, "body { width: 50%; }", "CSSStyleShe assert_equals(styleSheet.cssRules[1].cssText, "#foo { height: 100px; }", "CSSStyle assert_equals(styleSheet.cssRules[2], undefined, "CSSStyleSheet cssRules attribute assert_equals(emptyStyleSheet, document.getElementById("empty-stylesheet").sheet, assert_equals(emptyStyleSheet.cssRules.length, 0, "CSSStyleSheet cssRules attribut }, "preconditions"); test(function() { styleSheet.insertRule("#bar { margin: 10px; }", 1); assert_equals(styleSheet.cssRules.length, 3, "CSSStyleSheet cssRules attribute aft assert_equals(styleSheet.cssRules[0].cssText, "body { width: 50%; }", "CSSStyleShe assert_equals(styleSheet.cssRules[1].cssText, "#bar { margin: 10px; }", "CSSStyleS assert_equals(styleSheet.cssRules[2].cssText, "#foo { height: 100px; }", "CSSStyle assert_equals(styleSheet.cssRules[0].randomProperty, 1, "[SameObject] cssRules att assert_equals(styleSheet.cssRules[2].randomProperty, 2, "[SameObject] cssRules att }, 'insertRule with #bar selector'); test(function() { assert_throws_js(TypeError, function() { styleSheet.insertRule() }); }, 'insertRule with no argument throws'); test(function() { assert_throws_dom("IndexSizeError", function() { styleSheet.insertRule("#bar { margin: 10px; }", styleSheet.cssRules.length + 1) }); }, 'insertRule with index greater than length throws'); test(function() { styleSheet.deleteRule(1); assert_equals(styleSheet.cssRules.length, 2, "CSSStyleSheet cssRules attribute aft assert_equals(styleSheet.cssRules[0].cssText, "body { width: 50%; }", "CSSStyleShe assert_equals(styleSheet.cssRules[1].cssText, "#foo { height: 100px; }", "CSSStyle assert_equals(styleSheet.cssRules[2], undefined, "CSSStyleSheet cssRules attribute assert_equals(styleSheet.cssRules[0].randomProperty, 1, "[SameObject] cssRules att assert_equals(styleSheet.cssRules[1].randomProperty, 2, "[SameObject] cssRules att }, 'deleteRule(1)'); test(function() { assert_throws_js(TypeError, function() { styleSheet.deleteRule() }); }, 'deleteRule with no argument throws'); test(function() { assert_throws_dom("IndexSizeError", function() { emptyStyleSheet.deleteRule(0) }); }, 'deleteRule on empty style sheet throws'); test(function() { styleSheet.removeRule(); assert_equals(styleSheet.cssRules.length, 1, "CSSStyleSheet cssRules attribute aft assert_equals(styleSheet.cssRules[0].cssText, "#foo { height: 100px; }", "CSSStyle }, 'removeRule with no argument removes first rule'); test(function() { assert_throws_dom("IndexSizeError", function() { emptyStyleSheet.removeRule(0) }); }, 'removeRule on empty style sheet throws'); test(function() { assert_equals(styleSheet.addRule("@media all", "#foo { color: red }"), -1); assert_equals(styleSheet.cssRules.length, 2, "CSSStyleSheet cssRules attribute aft assert_true(styleSheet.cssRules[1] instanceof CSSMediaRule, "CSSStyleSheet addRule }, 'addRule with @media rule'); test(function() { styleSheet.removeRule(1); assert_equals(styleSheet.cssRules.length, 1, "CSSStyleSheet cssRules attribute aft assert_equals(styleSheet.cssRules[0].cssText, "#foo { height: 100px; }", "CSSStyle }, 'removeRule(1)'); test(function() { assert_equals(styleSheet.addRule("#foo", "color: red"), -1); assert_equals(styleSheet.cssRules.length, 2, "CSSStyleSheet cssRules attribute aft assert_equals(styleSheet.cssRules[1].cssText, "#foo { color: red; }", "CSSStyleShe assert_equals(styleSheet.addRule("#foo", "color: blue", 0), -1); assert_equals(styleSheet.cssRules.length, 3, "CSSStyleSheet cssRules attribute aft assert_equals(styleSheet.cssRules[0].cssText, "#foo { color: blue; }", "addRule fu }, 'addRule with #foo selectors'); test(function() { assert_equals(styleSheet.addRule(), -1); assert_equals(styleSheet.cssRules.length, 4, "CSSStyleSheet cssRules attribute aft assert_equals(styleSheet.cssRules[3].cssText, "undefined { }", "addRule arguments }, 'addRule with no argument adds "undefined" selector'); test(function() { assert_throws_dom("IndexSizeError", function() { styleSheet.addRule("#foo", "color: red", styleSheet.cssRules.length + 1); }); }, 'addRule with index greater than length throws'); test(function() { assert_equals(styleSheet.cssRules, styleSheet.rules); }, "cssRules and rules are the same object"); test(function() { assert_equals(styleSheet.cssRules, styleSheet.cssRules); }, "cssRules returns the same object twice"); test(function() { assert_equals(styleSheet.rules, styleSheet.rules); }, "rules returns the same object twice"); </script> </head> </html> ¤ Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. 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